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Finding the Fourth Proportional to 590,891.63, 886,523.94 and 449,414.60

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Solution

The fourth proportional to 590,891.63, 886,523.94 and 449,414.60 is: 674,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,891.63 : 886,523.94 = 449,414.60 : x
  2. Step 2: Convert to fraction form
    590,891.63/886,523.94 = 449,414.60/x
  3. Step 3: Cross multiply
    590,891.63x = 886,523.94 × 449,414.60
  4. Step 4: Simplify right side
    590,891.63x = 398,416,797,452.90
  5. Step 5: Solve for x
    x = 398,416,797,452.90/590,891.63
  6. Step 6: Final answer
    x = 674,263.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.